Health care professionals base a diagnosis of transient global amnesia on the following signs and symptoms: 1  Sudden onset of memory loss, verified by a witness. 2  Retention of personal identity despite memory loss. 3  Normal cognition, such as the ability to recognize and name familiar objects and follow simple directions.
1) Identification of the strategic issues and problems. Strong Tie Ltd. (STL), a family-owned corporation, has been the leader of its industry segment with a market share of 70% and through the years has obtain a remarkable reputation for its quality, especially on custom products.
Member of a strong entity set is a dominant entity. Member of a weak entity set is a subordinate entity. A weak entity set does not have a primary key, but we need a means of distinguishing among the entities. The discriminator of a weak entity set is a set of attributes that allows this distinction to be made. The primary key of a weak entity set is formed by taking the primary key of the strong entity set on which its existence depends (see Mapping Constraints) plus its discriminator.